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Head-to-head
BMW 3 Series vs Audi A4
The default premium saloon scrap — handling vs cabin polish.
Specs & ownership
| Spec | BMW 3 Series | Audi A4 |
|---|---|---|
| Years | 2012–2018 | 2016–2024 |
| Type | Saloon | Saloon |
| Engine (typical) | 2.0 Diesel | 2.0 TDI |
| Power | 190 hp | 150–190 hp |
| Fuel | Diesel | Diesel |
| Economy | 50–60 mpg | 50–60 mpg |
| 0–60 | 8.5–12.5 sec 0–60 mph | 8.5–12.5 sec 0–60 mph |
| Boot | 480 litres | 480–965 litres |
| Insurance group | Typically groups 23–34 | Typically groups 12–28, depending on trim and power |
| Road tax (indicative) | Depends on first registration date, CO₂ band and fuel type — confirm on GOV.UK | Depends on first registration date, CO₂ band and fuel type — confirm on GOV.UK |
| Running costs / yr | ~£2,212–£3,456 / year | ~£2,006–£2,952 / year |
| Oil | LL-01 / LL-04 or newer BMW Longlife grade for the engine code | Often VW 504/507 or Audi equivalent LongLife — match the exact approval |
| Tyre pressure | Typically ~32–39 PSI; many use run-flats | Often ~32–38 PSI cold — door sticker is law for loading |
| ULEZ | Older diesels often charge in ULEZ — check the registration on TfL before buying | Most post-2015 Euro 6 diesels are ULEZ compliant — still check the plate on TfL |
| Common fault #1 | EGR cooler and DPF loading on diesel models | Oil leaks / timing chain on some TFSI |
| Best for | Motorway miles with a premium cabin. | Company-car and premium estate buyers. |
BMW 3 Series — watch for
- EGR cooler and DPF loading on diesel models
- Timing chain stretch on some N47 engines
- Control arm and bush wear affecting alignment
Running costs ~£2,212–£3,456 / year
Audi A4 — watch for
- Oil leaks / timing chain on some TFSI
- S tronic service neglect
- Carbon build-up on petrols
Running costs ~£2,006–£2,952 / year

